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PropertyUserStoreManager.java
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PropertyUserStoreManager.java
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//
// ========================================================================
// Copyright (c) 1995-2020 Mort Bay Consulting Pty Ltd and others.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
//
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
//
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
//
package org.eclipse.jetty.jaas;
import java.util.HashMap;
import java.util.Map;
import java.util.Objects;
import org.eclipse.jetty.jaas.spi.PropertyFileLoginModule;
import org.eclipse.jetty.security.PropertyUserStore;
import org.eclipse.jetty.util.component.AbstractLifeCycle;
import org.eclipse.jetty.util.log.Log;
import org.eclipse.jetty.util.log.Logger;
/**
* PropertyUserStoreManager
*
* Maintains a map of PropertyUserStores, keyed off the location of the property file containing
* the authentication and authorization information.
*
* This class is used to enable the PropertyUserStores to be cached and shared. This is essential
* for the PropertyFileLoginModules, whose lifecycle is controlled by the JAAS api and instantiated
* afresh whenever a user needs to be authenticated. Without this class, every PropertyFileLoginModule
* instantiation would re-read and reload in all the user information just to authenticate a single user.
*/
public class PropertyUserStoreManager extends AbstractLifeCycle
{
private static final Logger LOG = Log.getLogger(PropertyFileLoginModule.class);
/**
* Map of user authentication and authorization information loaded in from a property file.
* The map is keyed off the location of the file.
*/
private Map<String, PropertyUserStore> _propertyUserStores;
public PropertyUserStore getPropertyUserStore(String file)
{
synchronized (this)
{
if (_propertyUserStores == null)
return null;
return _propertyUserStores.get(file);
}
}
public PropertyUserStore addPropertyUserStore(String file, PropertyUserStore store)
{
synchronized (this)
{
Objects.requireNonNull(_propertyUserStores);
PropertyUserStore existing = _propertyUserStores.get(file);
if (existing != null)
return existing;
_propertyUserStores.put(file, store);
return store;
}
}
@Override
protected void doStart() throws Exception
{
_propertyUserStores = new HashMap<String, PropertyUserStore>();
super.doStart();
}
@Override
protected void doStop() throws Exception
{
for (Map.Entry<String,PropertyUserStore> entry: _propertyUserStores.entrySet())
{
try
{
entry.getValue().stop();
}
catch (Exception e)
{
LOG.warn("Error stopping PropertyUserStore at {}", entry.getKey(), e);
}
}
_propertyUserStores = null;
super.doStop();
}
}